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Repair Parts Home  Lawn Equipment Parts  Black and Decker Parts  242273-00 Shunted Carbon Brush

Shunted Carbon Brush

Part Number: 242273-00
DeWALTBlack and Decker
Availability: 25+ in stock
Price: $4.38
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Product Information
Manufacturer: DeWALT, Black and Decker
Product Number: 242273-00
Classification: Part
Weight: 0.01 lbs.
Also Known As: Shunted Motor Brush
Shipping: Ships Worldwide
Description:
Dewalt genuine replacement part, that is sold individually.
2 are needed for the tools listed below.
It is always best to replace both brushes, even if only one is worn.

Worn brushes frequently are the cause behind a motor running poorly.
Replacing brushes can fix a motor that’s operating intermittently.
New brushes can restore a motor’s electric braking.

Carbon brushes are one of the most commonly replaced power tool parts. This is because carbon brushes are wear items, meaning that through friction and use they will gradually wear away until they need replacing. Worn brushes are a common causes of intermittent motor function, reduced electric braking and reduced motor power. A worn-out brush will often be worn down near to the wire lead and can be cracked, pitted, or burned. When replacing carbon brushes, be sure to inspect your armature for burns, cracks, or other damage which can indicate larger motor problems.

Frequently Purchased With
Compatibility

This part is compatible with the following machines:

Black and Decker
Expand the 75 compatible machines
Products Compatibility

This item works with the following types of products:

  • • Lawn Mower
Questions & Answers

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Repair Instructions: Submitted by Customers Like You
28 of 31 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Shunted Carbon Brush - 242273-00
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
, torx driver is preferred but was able to use flat head
Electric lawn mower had intermittent power, had to bounce it up and down while squeezing trigger to get it to cut
Black And Decker LM170, Removed plastic cover, all torx head screws but was able to use flat head. Entire top of electric lawn mower removed can access brushes, could see the worn brush, one side completely gone and spring no longer keeping tension, pushing brush against armature of motor, poor contact would spark intermittently. Removed torx that keeps brush assembly in place and then removed worn brush from spring loaded assy. Crimped new brush wire to where the old one connected and re install brush assy, cover and you are ready to mow!!! It took me a total of 20 minutes, but can probably replace a brush on this electric mower in 5-10 minutes next time, very easy, do not pay someone to fix this!!!
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10 of 11 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Shunted Carbon Brush - 242273-00
Rectifier - 72256-03
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, Crimping tool
Lawn mower stopped working altogether - as if the motor had burned out. I discovered that the carbon brushes were worn to the point of not making good contact with the commutator.
I removed the old brushes and rectifier, then installed the replacement rectifier using a silicone grease. I connected the new brushes using a crimping tool and new wire crimps, then re-assembled the mower. With $30 worth of repair parts, the mower has since been working like new, which saved us from having to buy a new mower.
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4 of 4 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Shunted Carbon Brush - 242273-00
Terminal - 070162-00
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Electric motor ran sporadically, then not at all
1. Removed cowling of motor with Torx wrenches
2. Removed brush assemblies with same, one by one so that I would have a model as to how to put them back together.
3. Cut wire to brush, discarded old brushes
4. Stripped the cut wires, connected to new brushes
5. Put all the parts back
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4 of 4 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Flap - 241524-02
Shunted Carbon Brush - 242273-00
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, wire crimpers
Mower would not start. It would run if I held down the switch and turned the blade by hand. I used a wooden stick not my hand though.
Replaced the brushes and cleaned the motor commutator. I also dressed it with some emery paper to present a smoother surface for the new brushes. Put it back together and it works like a charm. Glad getting the parts was so easy. The illustrations are very good and helpful too.
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3 of 3 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Shunted Carbon Brush - 242273-00
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, soldergun
Brushes were worn on electric lawnmower so did not start when switch turned on
Removed holder for old brushes and replaced with new, had to clip the wire on the old brush and had to solder wires together - old brush had a split ring to fasten wires together was not able to remove from old wire so cut off and trimmed the insulation from old wires and soldered brush wire.

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3 of 4 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Shunted Carbon Brush - 242273-00
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Socket set, Adjustable Wrench
Brushes wore out!
Attach wires to existing.
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1 of 1 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Shunted Carbon Brush - 242273-00
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Soldering iron
Brushes were worn out
1. Remove the cover using a screw driver
2. Remove the brush assembly
3. Unsolder solder the worn out brushes
4. Solder the new brushes.
5. Replace the brush assembly
6. Replace the cover
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1 of 1 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Shunted Carbon Brush - 242273-00
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Sandpaper
Electricity not getting to the commutator
Made sure mower not connected to electricity
Removed cover,4 screws
Removed brush holders, 1 screw each
Cut off old brush
Connected new brush wire to motor wires with butt splices
Cleaned commutator with very fine sand paper
Assembled brushes in holders and screwed holders into place
Replaced cover.
Connected lawnmower to electricity
Motor worked like new
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1 of 1 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Shunted Carbon Brush - 242273-00
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
The electric lawn mower either would not operate at all or would operate intermittently.
1. Removed the several screws that attached the top cover of the lawn mower to its base
2. Removed mower handle, then lifted off cover
3. Removed worn electric motor brushes and replaced with new brushes (2) - always replace as a set of two.
4. Performed steps 1 & 2 in reverse order
5. Powered up mower - worked as good as new!
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1 of 1 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Shunted Carbon Brush - 242273-00
Wire,Lead - 242869-00
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Mower would not try to start
Changed the shunt bushing. Very easy to do saw your YouTube video on how to replace.
By the way Ladies, I am 71 years old and if you can follow a recipe to be able to cook ,then you can follow a video about repairing a Lawn Mower.
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Reviews
5
Average Rating (out of 5):
17 Reviews
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  • Lawn mower motor repair
    Arrived sooner than predicted; inexpensive and worked perfectly; repair instructions were easy to follow and do. Thanks.
    Guest - July 28, 2022 Verified Purchase
    factory parts for an old electric lawn mower motor
    This is my 3rd experience over several years getting replacement motor brushes. Always fast and easy to order and parts are always i stock. Good service!
    Guest - July 20, 2022 Verified Purchase
    Part arrived quickly in great shape
    The brushes seem good quality and were easy to install
    Susan - June 29, 2022 Verified Purchase
    Easy fix. Part worked.
    Simple little part the guide made it easy to order. Thanks.
    Guest - October 14, 2021 Verified Purchase
    Easy Peasy!
    Fast Flawless Fit & Fix! 25 year old mower still purring!
    Guest - August 11, 2021 Verified Purchase
    Shunted Carbon Brush
    The correct part arrived quickly. I'm back having fun mowing my lawn.
    Guest - June 18, 2021 Verified Purchase
    No problem
    this is my review – I needed parts to repair an electric mower. I went on-line and found your site. You had the parts that I needed. I ordered the parts from your site. (easy) I gave you my card #. You deducted the correct amount from my account. A few days later I received the parts. I got what I ordered. I installed the parts. The repair was successful, the machine is now operating. Easy-Peasy - If I need a part for another repair, I will look on you site again. Dennis – Arlington, Va.
    Guest - March 30, 2021 Verified Purchase
    Simple but necessary part
    New part needed for my older electric mower. A few bucks spent on this save me hundreds on buying a new mower. Pretty easy to install as long as you hold the spring of the brush housing tight.
    Guest - March 30, 2021 Verified Purchase
    Correct part. Fits perfect. My mower works again
    Delivery in good time. Correct part. Easy install. And my mower works again. Okay price for parts and shipping. Thanks.
    Guest - November 2, 2020 Verified Purchase
    Website is set up to find the needed part easily
    parts arrived quickly and in perfect condition
    Guest - April 22, 2020 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: DeWALT, Black and Decker
    Product Number: 242273-00
    Classification: Part
    Weight: 0.01 lbs.
    Also Known As: Shunted Motor Brush
    Shipping: Ships Worldwide
    Repair Guides
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